The ADATA Ultimate SU650 [SU650NS38] M.2 2280 SSD features 3D NAND Flash, a high-speed controller. It delivers read/write performance of up to 550/510MB/s and greater reliability than 2D NAND SSDs. The SU650 sports SLC caching and advanced LDPC ECC technology to ensure optimized performance and data integrity. 3D NAND Flash for higher durability and capacity SLC Caching: enhances transmission speed Advanced LDPC ECC Technology Free software: SSD Toolbox and Migration Utility Suitable for desktops and notebooks - it is easy to install so you can immediately experience improved performance. Supports S.M.A.R.T., TRIM Command and NCQ With the purchase of the SU650, you qualify to download ADATA's proprietary Toolbox and Migration Utility software. It's the perfect tool to help you monitor and manage the SU650 with information pertaining to drive status, wear level, and lifespan. The Migration Utility is especially helpful for users making the move from HDD to SSD, as it is designed for simple and quick backup and migration of the contents of entire drives, including the operating system.